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EP4159265A4 - Microcathéter à doubles cavités - Google Patents

Microcathéter à doubles cavités Download PDF

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Publication number
EP4159265A4
EP4159265A4 EP20938313.2A EP20938313A EP4159265A4 EP 4159265 A4 EP4159265 A4 EP 4159265A4 EP 20938313 A EP20938313 A EP 20938313A EP 4159265 A4 EP4159265 A4 EP 4159265A4
Authority
EP
European Patent Office
Prior art keywords
microcatheter
double cavity
cavity
double
cavity microcatheter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20938313.2A
Other languages
German (de)
English (en)
Other versions
EP4159265B1 (fr
EP4159265A1 (fr
Inventor
Pengtao ZHANG
Yuxiang Wang
Guanmei FENG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Insight Lifetech Co Ltd
Original Assignee
Insight Lifetech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Insight Lifetech Co Ltd filed Critical Insight Lifetech Co Ltd
Publication of EP4159265A1 publication Critical patent/EP4159265A1/fr
Publication of EP4159265A4 publication Critical patent/EP4159265A4/fr
Application granted granted Critical
Publication of EP4159265B1 publication Critical patent/EP4159265B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

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    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
    • A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2535/00—Medical equipment, e.g. bandage, prostheses or catheter

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
EP20938313.2A 2020-05-27 2020-10-12 Microcathéter à doubles cavités Active EP4159265B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010463479.8A CN111544744B (zh) 2020-05-27 2020-05-27 具有双腔的微导管
PCT/CN2020/120502 WO2021238018A1 (fr) 2020-05-27 2020-10-12 Microcathéter à doubles cavités

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EP4159265A1 EP4159265A1 (fr) 2023-04-05
EP4159265A4 true EP4159265A4 (fr) 2024-06-12
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JP (1) JP2023535251A (fr)
CN (5) CN113209455B (fr)
WO (1) WO2021238018A1 (fr)

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CN113209455B (zh) * 2020-05-27 2022-02-08 深圳北芯生命科技股份有限公司 具有斜切口的双腔微导管
JP7762635B2 (ja) * 2022-09-07 2025-10-30 朝日インテック株式会社 カテーテル
CN116212191A (zh) * 2023-02-28 2023-06-06 丰凯利医疗器械(上海)有限公司 多腔管和介入导管
CN116440389B (zh) * 2023-06-20 2023-11-10 北京普益盛济科技有限公司 微导管及微管结构的制作方法

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EP2944344A1 (fr) * 2014-05-13 2015-11-18 Asahi Intecc Co., Ltd. Cathéter
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Also Published As

Publication number Publication date
CN113209455A (zh) 2021-08-06
CN112336965B (zh) 2021-07-02
WO2021238018A1 (fr) 2021-12-02
CN111544744B (zh) 2021-02-12
EP4159265B1 (fr) 2024-12-04
CN112336965A (zh) 2021-02-09
CN113209444A (zh) 2021-08-06
EP4159265A1 (fr) 2023-04-05
CN111544744A (zh) 2020-08-18
CN113209455B (zh) 2022-02-08
CN113209444B (zh) 2021-12-14
JP2023535251A (ja) 2023-08-17
CN112336966B (zh) 2021-04-23
CN112336966A (zh) 2021-02-09

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